438422448 has 20 divisors (see below), whose sum is σ = 1132591448. Its totient is φ = 146140800.

The previous prime is 438422437. The next prime is 438422461. The reversal of 438422448 is 844224834.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4566853 + ... + 4566948.

Almost surely, 2^438422448 is an apocalyptic number.

438422448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

438422448 is an abundant number, since it is smaller than the sum of its proper divisors (694169000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

438422448 is a wasteful number, since it uses less digits than its factorization.

438422448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9133812 (or 9133806 counting only the distinct ones).

The product of its digits is 196608, while the sum is 39.

The square root of 438422448 is about 20938.5397771669. The cubic root of 438422448 is about 759.6804104104.

The spelling of 438422448 in words is "four hundred thirty-eight million, four hundred twenty-two thousand, four hundred forty-eight".